import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from './components/Login.vue'
import Home from './components/Home.vue'

Vue.use(VueRouter)

const routes = [
  { path:'/', redirect:'/login' },
  { path:'/login', component:Login },
  { path:'/home', component:Home },
]

const router = new VueRouter({
  routes
})

//挂载路由导航守卫
router.beforeEach((to, from,next)=>{
  if(to.path=='/login')return next();
  const token = window.sessionStorage.getItem("token");
  //如果没有登陆则跳到登陆界面去
  if(!token) return next('/login');
  next();
});

export default router

